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60,000 passwords have been reset on July 8, 2019. If you cannot login, read this.

.999~ = 1

Discussion in 'Off-Topic' started by Afronight_76, Dec 8, 2005.

  1. Leopard

    Leopard

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    Those are the wrong step.

    This is the fact:
    10(x) - x = 9(x)

    so,

    10(.999~) - .999~ != 9 //not equal

    but

    10(.999~) - .999~ = 9(.999~)

    9(.999~) = 8,999~ != 9

    Then,

    1 != .999~
     
  2. Mastermind

    Mastermind

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    aright i understod all you postet, leopard. exepting the ! thing. can you explein? :?
     
  3. Blade.dk2

    Blade.dk2

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    != means not equal to.
     
  4. Xeridanus

    Xeridanus

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    heres some more evidence that .999~ = 1.

    1/9 = .111~
    2/9 = .222~
    3/9 = .333~
    ...
    ...
    7/9 = .777~
    8/9 = .888~
    therefore, 9/9 = .999~. but we know that 9/9 simplifies to 1.

    therefore .999~ = 1. case sovled.
     
  5. Leopard

    Leopard

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    There are missing a very small value on that statements, so .999~ = 1. How about this:

    1/9 = .11111111111~~~~~~1
    8/9 = .88888888888~~~~~~9
    -------------------------- +
    9/9 = 1.00000000000~~~~~~0

    However, counting in floating number is a lil bit inaccurate. That's why we sometimes ignore a very small value.
     
  6. Xeridanus

    Xeridanus

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    yes, i completely agree with you. .999~ = 1